Blog posts tagged "Bug-fix support"

How a missing kernel flag broke FIPS-certified containers in managed Kubernetes

How a missing kernel flag broke FIPS-certified containers in managed Kubernetes

A customer building a FedRAMP-compliant deployment found that Ubuntu Pro 22.04 FIPS container images were silently failing on standard, mainline Linux...

Compliance
Tracing a memory leak bug in PID 1 and contributing an upstream fix: a Linux support story

Tracing a memory leak bug in PID 1 and contributing an upstream fix: a Linux support story

How Canonical Support helped a global retail organization trace the cause for an unusual memory leak originating in PID 1. By investigating the issue across...

Security and Compliance
How Canonical Support solves hard Linux performance bugs – even in 12-year old code

How Canonical Support solves hard Linux performance bugs  – even in 12-year old code

A 12-year-old bug in libnss-db caused getent enumeration to slow to a crawl – and showed how far expert support can go when a customer brings the right...

Company
When an upstream change broke smartcard FIPS authentication – and how we fixed it

When an upstream change broke smartcard FIPS authentication – and how we fixed it

This is the story of how Canonical’s Support team provided bug-fix support: we tracked down an upstream change in OpenSC that inadvertently broke FIPS...

Company